<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        div{
            width: 140px;
            height: 140px;
            border: 1px solid #000;

            background: url(./images/bg.png) no-repeat;
            animation: 
            run 1s steps(12) infinite,
            move 1s linear forwards;

        }
        /* 当动画的开始状态样式 跟 盒子默认样式相同，可以省略动画开始状态的代码 */
        @keyframes run {
            /* from{
                background-position: 0 0;

            } */
            to{
                background-position: -1680px 0;

            }
        }
        @keyframes move {
            /* 0%{

                transform: translateX(0);
            } */
            100%{
                transform: translateX(800px);
            }

        }

    </style>
</head>
<body>
    <div></div>
</body>
</html>